“Your menstrual cycle could become longer
or shorter than usual.
Your bleeding could also be heavier or lighter than normal”.1

Umbrella

What may the Perimenopausal Bleeding Umbrella include?

Depending on the Source (DotS) this Umbrella may include:

  • Abnormal Uterine Bleeding (AUB)
  • Perimenopausal Bleeding/Menstrual Cycle

Perimenopause

What is perimenopause?

DotS the definition of perimenopause may vary. In Menopause: Key Facts the World Health Organization’s definition is:

  • “The menopausal transition can be gradual, usually beginning with changes in the menstrual cycle. Perimenopause refers to the period from when these signs are first observed and ends one year after the final menstrual period”.2

Perimenopause Periods

What may perimenopause periods be like?

In Menopause: How Do Your Know If You’ve Reached Perimenopause? the (Australian) Jean Hailes for Women’s Health (JH) explain:

“The most reliable sign you are in perimenopause (or you are ‘perimenopausal’) is if your menstrual periods have become:

  • Irregular
  • Shorter or longer than usual
  • Lighter or heavier than usual
  • Absent for a few months”.3

Period Pattern

During perimenopause, do most women have a fairly consistent period pattern?

In Perimenopause: Abnormal Uterine Bleeding the Menopause Society (formerly the North American Menopause Society) explain:

“What is considered a normal menstrual cycle varies greatly from woman to woman. Still, in the years approaching perimenopause, most women will have a pattern that’s fairly consistent, so any changes in their bleeding pattern may be noticeable. To determine whether these changes are of concern, it is important that a woman consults with a healthcare professional. Keep in mind that it can be useful to track the bleeding on a calendar or smartphone app so that it can be easily reviewed and assessed”.4

Menstrual Calendar

Where may I find a menstrual calendar to keep a record of perimenopausal bleeding?

In MenoNotes the Menopause Society include the menstrual calendars:

PMS

Can premenstrual syndrome (PMS) get worse?

In Perimenopause: Symptoms and Causes – What Are Periods Like During Perimenopause? the Cleveland Clinic note:

“Some people also notice their premenstrual syndrome (PMS) symptoms get worse”.5

Health Care Provider

What if I think I have perimenopausal bleeding?

If you think you have perimenopausal bleeding, it may be in your best interest to choose to talk your health care provider about this. In Menstrual Calendar the Menopause Society note:

“Call your health care provider if you experience:

  • Periods that are much heavier than usual
  • Spotting or bleeding between periods
  • Periods that last longer than 10 days
  • Bleeding after sex
  • Frequent periods (fewer than 21 days between periods)
  • Any bleeding after menopause”.6

Perimenopausal BleedingIn Perimenopause: Symptoms and Causes – How Can I Reduce My Risk of Perimenopause Complications? the Cleveland Clinic elaborate on:

“Irregular periods are common and normal during perimenopause, but other conditions can also cause irregular vaginal bleeding. If any of the following apply to you, see a healthcare provider to rule out other causes:

  • Your periods become very heavy or contain large blood clots
  • You change pads or tampons every one to two hours
  • Your periods last several days longer than usual
  • You spot or bleed between periods
  • You bleed after sex
  • Your periods occur less than 21 days apart”.7

In Periods: When To See Your Doctor About Your Periods the JH explain:

“There are many reasons why you might need to see a doctor about your periods. For example, if you have:

  • Heavy periods
  • Painful periods
  • Absent periods
  • Unusual bleeding (e.g. bleeding between periods, after having sex or after menopause)”.8

Health Topics A-Z

Where may I find Health Topics A-Z related to Perimenopausal Bleeding?

In Health Topics A-Z you may find:

Links

Where may I find Links related to Perimenopausal Bleeding?

Your Country may have Links similar to:

Sources

Where may I find the Sources quoted?

You may find the Sources quoted at:

Sources

  1. Perimenopause: Symptoms and Causes – What Are Periods Like During Perimenopause? Last Reviewed: 08 August 2024. Cleveland Clinic https://my.clevelandclinic.org/health/diseases/21608-perimenopause Accessed: 21 April 2026
  2. Menopause: Key Facts. 16 October 2024. World Health Organization https://www.who.int/news-room/fact-sheets/detail/menopause Accessed: 21 April 2026
  3. Menopause: How Do You Know If You’ve Reached Perimenopause? Jean Hailes for Women’s Health https://www.jeanhailes.org.au/health-a-z/periods/your-period Accessed: 21 April 2026
  4. Perimenopause: Abnormal Uterine Bleeding. Menopause Society https://menopause.org/patient-education/menopause-topics/perimenopause Accessed: 21 April 2026
  5. Perimenopause: Symptoms and Causes – What Are Periods Like During Perimenopause? Last Reviewed: 08 August 2024. Cleveland Clinic https://my.clevelandclinic.org/health/diseases/21608-perimenopause Accessed: 21 April 2026
  6. Menstrual Calendar. 2015. North American Menopause Society https://menopause.org/wp-content/uploads/default-document-library/menonote-menstrual-calendar-english.pdf Accessed: 21 April 2026
  7. Perimenopause: Symptoms and Causes – How Can I Reduce My Risk of Perimenopause Complications? Last Reviewed: 08 August 2024. Cleveland Clinic https://my.clevelandclinic.org/health/diseases/21608-perimenopause Accessed: 21 April 2026
  8. Periods: When To See Your Doctor About Your Periods. Jean Hailes for Women’s Health https://www.jeanhailes.org.au/health-topics/periods/ Accessed: 21 April 2026
Topic Last Updated: 21 April 2026 – Topic Last Reviewed: 21 April 2026